Battery pack



FIG. 1 is a perspective view of a battery pack showing my new design;

FIG. 2 is a front side elevational view thereof;

FIG. 3 is a rear side elevational view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of a battery pack showing a second embodiment of my new design;

FIG. 9 is a front side elevational view thereof;

FIG. 10 is a rear side elevational view thereof;

FIG. 11 is a left view thereof;

FIG. 12 is a right view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof. 

The ornamental design for a battery pack, as shown and described. 